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1989 Chevrolet K3500 Silverado 7.4L Hesitation
Posted to GM Driveability on 8/2/2011 16 Replies

this engine hesitates and pings under load hot . cyl 1 and cyl 3 plug wires burn where wires connect to metal end at spark plug end and burn through boots . changed wires and plugs and again same thing . i believe there is to much resistance in firing plugs li...

16 Replies Received (View Replies)

  Related Documents & Media  1989 Chevrolet K3500 Silverado

 
Message Closed w/Summary

car Vehicle Data

1989 Chevrolet K3500 Silverado

VIN 2GCHK39N5K
Engine7.4 L / 8 cyl / GAS
Trans3-speed Automatic
DeliveryFuel Injection / tbi
Emissionsca emission
SymptomsHesitation
OccursHot
Message Closed w/Summary

car Vehicle Data

1989 Chevrolet K3500 Silverado

VIN 2GCHK39N5K
Engine7.4 L / 8 cyl / GAS
Trans3-speed Automatic
DeliveryFuel Injection / tbi
Emissionsca emission
SymptomsHesitation
OccursHot